biden. biden is expected to appear with the president. >>> some presidential praise for the hero of the week, antoinette tuff. she's the worker who talked down the gunman at a school near atlanta on tuesday. well, as she was waiting to make a tv appearance, tuff took a call from the president. he thanked her for courage under pressure. tuff called their conversation, quote, awesome. >> she is, quote, awesome. >>> former nfl star aaron hernandez has been formally indicted on murder and weapons charges. during a brief court appearance yesterday, hernandez was charged in the death of 27-year-old semipro football player, odin lloyd. he's already pleaded not guilty. hernandez's attorney says there's been a rush to judgment in this case and that prosecutors cannot prove the charges. >>> ryan braun of the milwaukee brewers is saying he's sorry for using performance-enhancing drugs. in a statement yesterday, braun said he deserved the 65-game suspension that he's currently serving. and that he has n